path.cpp: fixed -Wuseless-cast GCC warning with C++17
#7771
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building with the GUI enabled will implicitly switch the standard to C++17.
```
/home/runner/work/cppcheck/cppcheck/lib/path.cpp: In function ‘bool hasEmacsCppMarker(const char*)’:
/home/runner/work/cppcheck/cppcheck/lib/path.cpp:246:40: error: useless cast to type ‘char*’ [-Werror=useless-cast]
246 | const char * const res = fgets(const_cast<char*>(buf.data()), buf.size(), fp);
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```
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![github-advanced-security[bot]](https://avatars.githubusercontent.com/in/57789?s=60&v=4){kind=small}
danmar
approved these changes
Aug 28, 2025
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building with the GUI enabled will implicitly switch the standard to C++17.